Applicable The borehole pump is ideal for transporting light liquids such as fresh water, sea water, oil, dilute organic solvents and liquid fertilizers. NO POWER SUPPLY Self-priming micro pumps are ideal for transferring water from one source to another. By separating the motor from the conventional water pump, the mechanical kinetic energy of the household electric drill isfully utilized as a power supply unit and no power supply is required. [Advantages] The design can also be used as an accessory for household electric drills, with the advantages of flexible use, low processing cost and no damage. High Quality MaterialThe hand drill delivery pump is made of high quality engineering plastic material, which is durable. Easy to useSmall and lightweight, this electric drill pump is suitable for home, garden and outdoors. Specification: Size: approx. 125x107x78.6mm/4.9x4.2x3.1in Inner diameter: approx. 15.8mm/0.6